It's Sunday evening, so guess what you'll be doing in the next few hours? Yes, that's right, Linus Torvalds has just announced the fourth RC (Release Candidate) version of the upcoming Linux 4.8 kernel branch.
The development of Linux kernel 4.8 continues today with the Release Candidate 4 (RC4) snapshot, and, according to Linus Torvalds, things are looking quite normal at this stage, but it also looks like this is the smalles RC until now. The biggest new feature being a fix for an Intel Skylake power management bug. However, there are also the usual updated drivers, arch improvements, and some KVM changes.
"Everything looks normal, and it's been a bit quieter than rc3 too, so hopefully we're well into the "it's calming down" phase. Although with the usual timing-related fluctuation (different maintainers stagger their pulls differently), it's hard to tell a trend yet.," says Linus Torvalds in today's announcement. "Regardless, it all looks pretty small."
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Linus Torvalds Announces Linux Kernel 4.8 RC4 with Skylake Power Management Fix
It's Sunday evening, so guess what you'll be doing in the next few hours? Yes, that's right, Linus Torvalds has just announced the fourth RC (Release Candidate) version of the upcoming Linux 4.8 kernel branch. The development of Linux…
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Syntax validiert (0 Fehler)
title: Detect Exploitation - Linus Torvalds Announces Linux Kernel 4.8 RC4 with Skylake Power Management Fix
id: 83e62438-8401-4a5f-8a5c-5cf90bcf48e6
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-25
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessSyntax validiert (0 Fehler)
rule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-25"
description = "YARA Signature for "
strings:
$str = "Linus Torvalds Announces Linux" ascii wide
condition:
any of them
}Syntax validiert (0 Fehler)
index=security sourcetype IN ("cisco:asa", "pan:traffic", "zeek_conn", "suricata", "WinEventLog:Security")
("Linus Torvalds Announces Linux Kernel 48")
| stats count earliest(_time) as first_seen latest(_time) as last_seen by src_ip, dest_ip, dest_host, signature
| eval first_seen=strftime(first_seen, "%Y-%m-%d %H:%M:%S"), last_seen=strftime(last_seen, "%Y-%m-%d %H:%M:%S")
| sort - countSyntax validiert (0 Fehler)
message: "*Linus Torvalds Announces Linux Kernel 48*"Syntax validiert (0 Fehler)
CommonSecurityLog
| where Message has "Linus Torvalds Announces Linux Kernel 48"
| summarize EventCount = count(), FirstSeen = min(TimeGenerated), LastSeen = max(TimeGenerated) by SourceIP, DestinationIP, DestinationPort, Activity
| extend DetectionRule = "iShareStuff-CTI-Compiled"
| sort by EventCount desc2. Cyber Threat Intelligence & Forensik
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Reconnaissance
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Resource Development
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Initial Access
Execution
Persistence
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Privilege Escalation
Defense Evasion
Credential Access
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Discovery
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Lateral Movement
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Collection
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Command and Control
Exfiltration
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Impact
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Fokus-Vektor:
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich Linus Torvalds Announces Linux Kernel 4..... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
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